ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
a {
    text-decoration: none!important;
    color: #2c2c92;
}
.clearfix:before,
.clearfix:after {
  content: "";
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
body {
    max-width: 750px;
    min-width: 320px;
    margin: 0 auto;
    font: normal 14px/1.5 Tahoma, "Lucida Grande", Verdana, "Microsoft Yahei", STXihei, hei;
    color: #000;
    background: #f2f2f2;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}
/* 顶部公共部分 */
.top {
    position: fixed;
    top: 0;
    width: 100%;
    height: 203px;
    background-color: #2c2c92;
    border-radius: 40px;
    overflow: hidden;
    box-shadow: 0 10px 10px rgba(53, 53, 121, 0.5);
    max-width: 750px;
}
.top .user {
    height: 70px;
    margin-top: 20px;
    margin-left: 5.3%;
    vertical-align: middle;
    font-size: 30px;
    color: #f2f2f2;
}
.top .user img {
    height: 70px;
    width: 70px;
    background-color: blue;
    margin-right: 5.3%;
}
.top .down {
    position: absolute;
    width: 100%;
    display: flex;
    bottom: 40px;
    text-align: center;
}
.top .down a {
    display: block;
    flex: 1;
    height: 30px;
    line-height: 30px;
    font-size: 22   px;
    color: #fff;
}
.top .down a:hover {
    color: #c6c6f3;
}
.bottom {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100px;
    background-color: #fff;
}
.bottom .nav {
    flex: 1;
    height: 100px;
    text-align: center;
}
.bottom .nav img {
    height: 56px;
    margin-top: 15px;
}
.bottom .nav span {
    display: block;
    font-size: 20px ;
}